Support for a type belt of a line printer

Details Support for a type belt of a line printer Support for a type belt of a line printer

1981-05-14

1983-03-29

Burr, Edgar S.

Printing

Selective or progressive

Printing members

400146, 400554, 400649, 400652, B41J 120

Patent

active

043779735

ABSTRACT:
The continuous type belt is arranged round two rollers, one of which is driven. One straight section of the type belt contacts over its entire length the support designed as a platen.
In order to avoid groove on the platen caused by the rotating type belt, and to achieve a distribution of other kinds of wear of the platen over its circumference, a gear motor causes the platen to rotate very slowly (approximately 1 revolution in 72 hours).
The platen can also be rotated without a gear motor. For this purpose, the longitudinal axis of the platen is slightly inclined relative to the edge of the type belt. This inclination effects a small movement component in the direction of the platen circumference while the type belt slides along the lateral surface of the platen, said component causing a slow revolution of the platen.

REFERENCES:
patent: 2083365 (1937-06-01), Dodge
patent: 2858926 (1958-11-01), Metzner
patent: 4211166 (1980-07-01), Hardt
patent: 4294556 (1981-10-01), Rix

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